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A company is establishing a dedicated 1 Gbps AWS Direct Connect connection between its on-premises infrastructure and its AWS account VPC. The architecture involves a transit gateway and a Direct Connect gateway to interconnect multiple VPCs and the on-premises network. To facilitate connectivity to VPC resources via a transit VIF using the Direct Connect connection, which two steps should be taken?
A
Upgrade the 1 Gbps Direct Connect connection to 10 Gbps.
B
Enable the advertisement of on-premises network prefixes over the transit VIF.
C
Enable the advertisement of VPC prefixes from the Direct Connect gateway to the on-premises network over the transit VIF.
D
Modify the Direct Connect connection's MACsec encryption mode attribute to must_encrypt._
E
Link a MACsec Connection Key Name/Connectivity Association Key (CKN/CAK) pair with the Direct Connect connection.